2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 164Get this manual
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Crankshaft Indexing
8With the pointer aligned, make sure the degree wheel and pointer are secured and will not move out of positionRe-check accuracy of this location by repeating steps and 5The pOinter should align with the 120 mark when measurement is taken between scribes and divided in halfIMPORTANT: Do not move the degree wheel or pOinter after the initial setting on the mag end cylindersimply read the wheel and dial indicator9Install the bumper tool in cylinder #2 (center)Repeat steps through for cylinder2It should be 1202) from cylinder #1Proceed to PTO cylinder (#3)Cylinder #3 should also be 1200( 2) from cylinder #1Symptoms of an out of index crankshaft can include: Difficulty calibrating carburetor (repetitive plug fouling on one cylinder with no other cause); Unexplained piston failure on one cylinder (Lesevere detonation, broken ring lands, piston holing); Excessive vibration of engine, backfiring, etc Rough idle, poor top speed